Home / 118,778,840.55-178,168,260.83-99,646,964.55

Finding the Fourth Proportional to 118,778,840.55, 178,168,260.83 and 99,646,964.55

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Solution

The fourth proportional to 118,778,840.55, 178,168,260.83 and 99,646,964.55 is: 149,470,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,778,840.55 : 178,168,260.83 = 99,646,964.55 : x
  2. Step 2: Convert to fraction form
    118,778,840.55/178,168,260.83 = 99,646,964.55/x
  3. Step 3: Cross multiply
    118,778,840.55x = 178,168,260.83 × 99,646,964.55
  4. Step 4: Simplify right side
    118,778,840.55x = 17,753,926,370,363,928
  5. Step 5: Solve for x
    x = 17,753,926,370,363,928/118,778,840.55
  6. Step 6: Final answer
    x = 149,470,446.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.